The Chop Professor.

Junpei Kihara, a young president of the University's wrestling club, is nicknamed "Mr. Chop". One day, on the way back from visiting the hospital after being thrown by Nobuyoshi Shinohara during practice and injured, he met Asako, the sister of Arisawa's mother, Katsuko. When they entering a coffee shop run by Asako's best friend Hisako, Hisako misunderstood them as lovers...